From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754619AbaHNIp6 (ORCPT ); Thu, 14 Aug 2014 04:45:58 -0400 Received: from terminus.zytor.com ([198.137.202.10]:36317 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752016AbaHNIp4 (ORCPT ); Thu, 14 Aug 2014 04:45:56 -0400 Date: Thu, 14 Aug 2014 01:44:42 -0700 From: tip-bot for Adrian Hunter Message-ID: Cc: acme@redhat.com, linux-kernel@vger.kernel.org, eranian@google.com, paulus@samba.org, hpa@zytor.com, mingo@kernel.org, jolsa@kernel.org, peterz@infradead.org, namhyung@gmail.com, namhyung@kernel.org, jolsa@redhat.com, fweisbec@gmail.com, adrian.hunter@intel.com, dsahern@gmail.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, paulus@samba.org, eranian@google.com, linux-kernel@vger.kernel.org, acme@redhat.com, jolsa@kernel.org, peterz@infradead.org, namhyung@kernel.org, namhyung@gmail.com, jolsa@redhat.com, fweisbec@gmail.com, dsahern@gmail.com, adrian.hunter@intel.com, tglx@linutronix.de In-Reply-To: <1407855871-15024-2-git-send-email-adrian.hunter@intel.com> References: <1407855871-15024-2-git-send-email-adrian.hunter@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf tools: Fix CLOEXEC probe for perf_event_paranoid == 2 Git-Commit-ID: a5b0153c880c2775bf5bdd78306f0a47e860ea04 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: a5b0153c880c2775bf5bdd78306f0a47e860ea04 Gitweb: http://git.kernel.org/tip/a5b0153c880c2775bf5bdd78306f0a47e860ea04 Author: Adrian Hunter AuthorDate: Tue, 12 Aug 2014 18:04:28 +0300 Committer: Arnaldo Carvalho de Melo CommitDate: Wed, 13 Aug 2014 15:58:08 -0300 perf tools: Fix CLOEXEC probe for perf_event_paranoid == 2 With /proc/sys/kernel/perf_event_paranoid set to 2, the probe of PERF_FLAG_FD_CLOEXEC would fail. Fix by excluding kernel profiling from the probe event. Signed-off-by: Adrian Hunter Acked-by: Jiri Olsa Acked-by: Namhyung Kim Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1407855871-15024-2-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/cloexec.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/cloexec.c b/tools/perf/util/cloexec.c index 5073c01..000047c 100644 --- a/tools/perf/util/cloexec.c +++ b/tools/perf/util/cloexec.c @@ -11,6 +11,7 @@ static int perf_flag_probe(void) struct perf_event_attr attr = { .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_CPU_CLOCK, + .exclude_kernel = 1, }; int fd; int err;